<p>Transcript Support Level 5, for transcripts that are not supported at all by either an mRNA or an EST.</p><p>The <a href="https://genome.ucsc.edu/cgi-bin/hgc?hgsid=423831555_sqRhAapgi8atmzzBPBAz8Me5797J&amp;c=chr14&amp;o=94517268&amp;t=94547548&amp;g=wgEncodeGencodeCompV19&amp;i=ENST00000544005.1#tsl" target="_self">Transcript Support Level</a> (TSL) is a method to highlight the well-supported and poorly-supported transcript models for users. The method relies on the primary data that can support full-length transcript structure: mRNA and EST alignments supplied by UCSC and Ensembl.</p>TSL:5The GENCODE set is the gene set for human and mouse. GENCODE Basic is a subset of representative transcripts (splice variants).GENCODE basic<p>PRINCIPAL1 - APPRIS candidate principal isoform.</p><p><a class="popup" href="http://staging.ensembl.org/Homo_sapiens/Help/Glossary?id=521">APPRIS</a> is a system to annotate alternatively spliced transcripts based on a range of computational methods.</p>APPRIS P1

<p>Transcript Support Level 5, for transcripts that are not supported at all by either an mRNA or an EST.</p><p>The <a href="https://genome.ucsc.edu/cgi-bin/hgc?hgsid=423831555_sqRhAapgi8atmzzBPBAz8Me5797J&amp;c=chr14&amp;o=94517268&amp;t=94547548&amp;g=wgEncodeGencodeCompV19&amp;i=ENST00000544005.1#tsl" target="_self">Transcript Support Level</a> (TSL) is a method to highlight the well-supported and poorly-supported transcript models for users. The method relies on the primary data that can support full-length transcript structure: mRNA and EST alignments supplied by UCSC and Ensembl.</p>TSL:5The GENCODE set is the gene set for human and mouse. GENCODE Basic is a subset of representative transcripts (splice variants).GENCODE basic

<p>Transcript Support Level 1, when transcripts are supported by at least one non-suspect mRNA.</p><p>The <a href="https://genome.ucsc.edu/cgi-bin/hgc?hgsid=423831555_sqRhAapgi8atmzzBPBAz8Me5797J&amp;c=chr14&amp;o=94517268&amp;t=94547548&amp;g=wgEncodeGencodeCompV19&amp;i=ENST00000544005.1#tsl" target="_self">Transcript Support Level</a> (TSL) is a method to highlight the well-supported and poorly-supported transcript models for users. The method relies on the primary data that can support full-length transcript structure: mRNA and EST alignments supplied by UCSC and Ensembl.</p>TSL:1The GENCODE set is the gene set for human and mouse. GENCODE Basic is a subset of representative transcripts (splice variants).GENCODE basic